Register
Login
Username
Password
Login
forgot your password?
Home
Forum
+0
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Post New Question
All Questions
+0
230604 Questions
0
1016
1
+610
help
If we express $3x^2 + x - 4$ in the form $a(x - h)^2 + k$, then what is $k$?
●
gueesstt
May 4, 2018
+1
1274
1
+610
help again,
What value of $k$ will make $x^2 - 16x + k$ the square of a binomial?
●
gueesstt
May 4, 2018
0
1780
1
+610
help
Find the discriminant of $3x^2 + \left(3 + \frac 13\right)x + \frac 13$.
●
gueesstt
May 4, 2018
0
1687
1
+610
help asap
For what value of $k$ does the line represented by the equation $-\frac{1}{2}-2kx = 5y$ contain the point $\left(\frac{1}{4},-6\right)$?
●
gueesstt
May 4, 2018
0
650
1
+610
help
What integer $x$ satisfies $\frac{1}{4}<\frac{x}{7}<\frac{1}{3}$?
●
gueesstt
May 4, 2018
0
1592
1
+610
please help
If the two roots of the quadratic $3x^2+5x+k$ are $\frac{-5\pm i\sqrt{11}}{6}$, what is $k$?
●
gueesstt
May 4, 2018
0
578
1
+610
help
If $c$ is a constant such that $x^2+25x+c$ is equal to the square of a binomial, then what is $c$?
●
gueesstt
May 4, 2018
0
648
1
+610
help....
What constant $k$ will make $y^2 + 24y + 16 + k$ the square of a binomial?
●
gueesstt
May 4, 2018
0
2
2262
1
+610
help please
Let $7x^2 + 5x = h.$ What value of $h$ will give us exactly one solution for $x$?
●
gueesstt
May 4, 2018
0
1123
1
+610
help
If $x \geq 0$ and $y \geq 0$, how many lattice points does the line $y = -2x + 18$ pass through? (A lattice point is a point with integer coordinates.)
●
gueesstt
May 4, 2018
0
1049
2
+610
Help
The solution to $-4 < 2(x - 1) < 8$ is expressed in the form $a < x < b$. Find the value of $a + b$.
●
●
gueesstt
May 4, 2018
0
724
2
+4
Geometry
Find the value of x. Round your answer to the nearest tenth.
Tan 46 degree= x/12
read more ..
●
●
elizabethmartinez015
May 4, 2018
May 3, 2018
0
2666
2
+194
In the diagram, what is the value of x?
In the diagram, what is the value of x?
●
●
Maplesnowy
May 3, 2018
0
786
4
+2448
I desperately need help asap!!
I desperately need help asap!!
●
●
●
●
RainbowPanda
May 3, 2018
0
2119
7
+166
Some help plz
1.
Given that
evaluate
read more ..
●
●
●
●
●
●
●
Creeperhissboom
May 3, 2018
0
420
0
How do I find the extraneous solutions in this problem?
A box has a length of (2x-1) ft, a width of (3x-5) ft, and a height of 2ft. The equation for the volume of the box is v=12x^2-26x+10. X is equal to either 2ft or 0.17ft. Use the solutions for x to find the length and width of the box. Describe any extraneous
read more ..
Guest
May 3, 2018
0
683
1
If 54+9f(x)+x^2(f(x))^3=0 and f(1)=−3, find f′(1)
If 54+9f(x)+x^2(f(x))^3=0 and f(1)=−3, find f′(1)
Melody
●
Guest
May 3, 2018
0
663
1
+956
Help
So I'm thinking we use the point P and the origin O Which would be (0,0,0) subtract or add them (not sure) and somehow find the OE. Any help?
●
Julius
May 3, 2018
0
444
1
finding unknown angle measurements
Consider triangle ABC.
What is the value of y in the triangle?
Angle y = °
read more ..
●
Guest
May 3, 2018
0
2883
1
+121
Which expression can be used to find the value of x?
•11(sin32°)sin47°
read more ..
●
AgentFatboy
May 3, 2018
+1
1167
1
+220
How would you write the equation, y²+8x=0 rotated 30 in general form?
How would you write the equation, y²+8x=0 rotated 30° in general form?
●
quilly
May 3, 2018
0
4785
3
I need help asap
A helicopter flying 1,600 feet above the ground spots an airplane flying above. If the horizontal distance between the helicopter and airplane is 3,055 feet and the angle of elevation is 71°, find the airplane’s altitude.
●
●
●
Guest
May 3, 2018
0
697
1
+292
Help with a few questions please
Question 1)
Question 2)
read more ..
●
Johnnyboy
May 3, 2018
«
latest
9223
9222
..
5345
5344
5343
5342
5341
..
2
1
»
Post New Question
7 Online Users
Top Users
+128474
CPhill
moderator
+118609
Melody
moderator
+33615
Alan
moderator
+14915
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1484
bader
+1085
parmen
+1032
kittykat
Sticky Topics
Some guidelines for question askers.
What is Happening 5
Again a number puzzle. Multiply in writing.
Loads of fun printable number and logic puzzles
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Should you consider anything before you answer a question?
Geometry Thread
PUZZLES
LaTex Coding
/calculator/bsh9ex1zxj
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.